SNC1D0ParticleTheoryPhysicalChemicalChanges

Question 1

Sugar dissolves in water.

Accepted Answer

This is a physical property.

Question 2

Water boils at 100 degrees Celcius.

Accepted Answer

Is a physical property.

Question 3

When you observe a chemical property, the substance [ ].

Accepted Answer

changes

Question 4

Yeast acts on sugar to form carbon dioxide and ethanol.

Accepted Answer

This is a chemical property.

Question 5

When a scientist shares her findings with other scientists, she is

Accepted Answer

communicating results

Question 6

A series of steps designed to help you solve problems and answer questions

Accepted Answer

procedure

Question 7

What is not a physical property of paper?

Accepted Answer

It burns.

Question 8

In an experiment, all the things that need to be kep the same are the:

Accepted Answer

controlled variables

Question 9

It is important to conduct scientific test more than one time because?

Accepted Answer

gives validity to your results

Question 10

Which of the following is an example of chemical properties? Check all that apply.

Accepted Answer

Light turns a liquid brown.

Question 11

What type of change is more easily reversed?

Accepted Answer

Physical.

Question 12

Is burning of wood a physical change or a chemical change?

Accepted Answer

Chemical.

Question 13

When sandpaper smooths a piece of wood, this is an example of a [ ].

Accepted Answer

physical change

Question 14

The best graph to use if I wanted to compare the price of six different cars would be:

Accepted Answer

bar graph

Question 15

All matter is made up of:

Accepted Answer

Particles.

Question 16

Which of the following is NOT a rule when forming a hypothesis?

Accepted Answer

it should restate the question

Question 17

Dry ice, solid carbon dioxie, turns into a gas at room temperature.

Accepted Answer

This is a physical change.

Question 18

Which of the following could indicate that a chemical change took place?

Accepted Answer

All selections indicate a chemical change.

Question 19

Diamonds are capable of cutting glass.

Accepted Answer

This is a physical property.

Question 20

[ ] changes to not change the substance.

Accepted Answer

Physical.

Question 21

Iron rusts in a damp environment.

Accepted Answer

This is a chemical change.

Question 22

Colour and shape describe some [ ] of matter.

Accepted Answer

physical properties

Question 23

Matter is anything that has:

Accepted Answer

Volume and mass.

Question 24

An example of a physical property is [ ].

Accepted Answer

colour

Question 25

Which of the following is importnat when creating a graph in science.

Accepted Answer

all of these

Question 26

In an experiment, the factor that we measure is called the:

Accepted Answer

dependent variable

Question 27

Hydrogen perioxide decomposes into water and oxygen.

Accepted Answer

This is a chemical change.

Question 28

In an experiment, the one variable that is changed is called the:

Accepted Answer

independent variable

Question 29

Is rust forming on a bicycle a physical or a chemical change?

Accepted Answer

Chemical.

Question 30

Vinegar will react with baking soda.

Accepted Answer

This is a chemical property.

SNC1D0ParticleTheoryPhysicalChemicalChanges

Questions 30

SNC1D0ParticleTheoryPhysicalChemicalChanges

Questions 30